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authorMarco Stornelli <marco.stornelli@gmail.com>2012-12-15 11:57:37 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2012-12-20 18:40:54 -0500
commit2d1b399b22a8042edbaf41b1f2086d4183422ce4 (patch)
treee8d0b0799ae88766a41f27eb9ce0de5664b381bd /fs/nilfs2/inode.c
parent3e7a806928ac2dcae1423d6879e4f7e86e59bb9e (diff)
downloadlinux-2d1b399b22a8042edbaf41b1f2086d4183422ce4.tar.gz
nilfs2: drop vmtruncate
Removed vmtruncate Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nilfs2/inode.c')
-rw-r--r--fs/nilfs2/inode.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 4d31d2cca7f..6b49f14eac8 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -213,6 +213,16 @@ static int nilfs_set_page_dirty(struct page *page)
return ret;
}
+void nilfs_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size) {
+ truncate_pagecache(inode, to, inode->i_size);
+ nilfs_truncate(inode);
+ }
+}
+
static int nilfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -227,10 +237,7 @@ static int nilfs_write_begin(struct file *file, struct address_space *mapping,
err = block_write_begin(mapping, pos, len, flags, pagep,
nilfs_get_block);
if (unlikely(err)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
-
+ nilfs_write_failed(mapping, pos + len);
nilfs_transaction_abort(inode->i_sb);
}
return err;
@@ -259,6 +266,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
loff_t offset, unsigned long nr_segs)
{
struct file *file = iocb->ki_filp;
+ struct address_space *mapping = file->f_mapping;
struct inode *inode = file->f_mapping->host;
ssize_t size;
@@ -278,7 +286,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
loff_t end = offset + iov_length(iov, nr_segs);
if (end > isize)
- vmtruncate(inode, isize);
+ nilfs_write_failed(mapping, end);
}
return size;
@@ -786,10 +794,8 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
if ((iattr->ia_valid & ATTR_SIZE) &&
iattr->ia_size != i_size_read(inode)) {
inode_dio_wait(inode);
-
- err = vmtruncate(inode, iattr->ia_size);
- if (unlikely(err))
- goto out_err;
+ truncate_setsize(inode, iattr->ia_size);
+ nilfs_truncate(inode);
}
setattr_copy(inode, iattr);